As chocolate mass is a non-Newtonian fluid we have to measure its shear stress at different shear rates, which results in a flow curve. Shear stress divided by shear rate results in the apparent viscosity; if we again plot this versus the shear rate we get a viscosity curve. Chocolate mass is a shear thinning fluid, so the highest viscosity is found when the mass starts to flow. Interaction between particles is considered to be responsible for this behaviour3, which is very different to Newtonian fluids such kakım water.
Coming from the old refiner conches, where all this happened simultaneously and was hard to control, the majority of later technologies perform the grinding step separately. Only few mill types are able to handle chocolate preparations, bey it is initially a very sticky mass, which güç transform to a sticky powder during milling, when specific surface of particles increases. The most frequently used devices are plain roller mills (refiners) and stirred ball mills.
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Vertical ball mills for chocolate refining, are perfect for making cocoa products with its integrated system of a pre-mixer and ball-mill refiner.
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Price: The price of a chocolate refiner can vary significantly depending on the machine’s size and features. Consider your budget and production needs when selecting a machine.
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Some time ago it was very difficult to find equipment for small scale chocolate making. This başmaklık changed; now there are a number of ball mill-based systems on the market and also smaller scale roll refiners have Chocolate SINGLE TUBE BALL REFINER been developed.
Removal of undesired volatile off-flavours contained mainly in cocoa particles and developed during cocoa fermentation
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McCarter/Schmidt başmaklık become the standard in fabricating, offering high quality chocolate manufacturing equipment to suppliers involved in the chocolate industry.
After those, particle size distribution and particle package density are also important. Equal or monomodal particle sizes would create large voids filled with fat. With a bi- or multimodal distribution it is possible to replace this trapped fat by the appropriate size solid particles, which also helps larger particles to slip past each other when the suspension is moved.
What’s more, recycle milling makes chocolate more tasty and greatly shorten milling time or even escape milling stage, which is what the foreign ball grinders kişi not do.